/*****************************************************************************
* Product: DPP example, 80x86, Win32-GUI
* Last Updated for Version: 4.5.02
* Date of the Last Update:  Jul 29, 2012
*
*                    Q u a n t u m     L e a P s
*                    ---------------------------
*                    innovating embedded systems
*
* Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
*
* This program is open source software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* Alternatively, this program may be distributed and modified under the
* terms of Quantum Leaps commercial licenses, which expressly supersede
* the GNU General Public License and are specifically designed for
* licensees interested in retaining the proprietary status of their code.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact information:
* Quantum Leaps Web sites: http://www.quantum-leaps.com
*                          http://www.state-machine.com
* e-mail:                  info@quantum-leaps.com
*****************************************************************************/
#include "qp_port.h"
#include "dpp.h"
#include "bsp.h"

#include "win32_gui.h"      /* Win32 GUI elements for embedded front panels */
#include "resource.h" /* GUI resource IDs generated by the resource editior */

#include <stdio.h>                                     /* for _snprintf_s() */

Q_DEFINE_THIS_FILE

/* local variables ---------------------------------------------------------*/
static HINSTANCE l_hInst;                      /* this application instance */
static HWND      l_hWnd;                              /* main window handle */
static LPSTR     l_cmdLine;                      /* the command line string */

static SegmentDisplay   l_philos;    /* SegmentDisplay to show Philo status */
static OwnerDrawnButton l_pauseBtn;                   /* owner-drawn button */

static unsigned  l_rnd;                                      /* random seed */

int main(void);

#ifdef Q_SPY
    enum {
        PHILO_STAT = QS_USER
    };
    static uint8_t const l_clock_tick = 0U;
#endif

/* Local functions ---------------------------------------------------------*/
static LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg,
                                WPARAM wParam, LPARAM lParam);

/*..........................................................................*/
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst,
                   LPSTR cmdLine, int iCmdShow)
{
    HWND hWnd;
    MSG  msg;

    (void)hPrevInst;       /* avoid compiler warning about unused parameter */

    l_hInst   = hInst;                     /* save the application instance */
    l_cmdLine = cmdLine;                    /* save the command line string */

    /* create the main custom dialog window */
    hWnd = CreateCustDialog(hInst, IDD_APPLICATION, NULL,
                            &WndProc, "QP_APP");
    ShowWindow(hWnd, iCmdShow);                     /* show the main window */

    /* enter the message loop... */
    while (GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
/*..........................................................................*/
extern int main(void);                         /* prototype for appThread() */

/* thread function for running the application main() */
static DWORD WINAPI appThread(LPVOID par) {
    (void)par;                                          /* unused parameter */
    return main();                                /* run the QF application */
}
/*..........................................................................*/
static LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg,
                                WPARAM wParam, LPARAM lParam)
{
    switch (iMsg) {

        /* Perform initialization upon cration of the main dialog window
        * NOTE: Any child-windows are NOT created yet at this time, so
        * the GetDlgItem() function can't be used (it will return NULL).
        */
        case WM_CREATE: {
            l_hWnd = hWnd;                        /* save the window handle */

            /* initialize the owner-drawn buttons
            * NOTE: must be done *before* the first drawing of the buttons,
            * so WM_INITDIALOG is too late.
            */
            OwnerDrawnButton_init(&l_pauseBtn,
                       LoadBitmap(l_hInst, MAKEINTRESOURCE(IDB_BTN_UP)),
                       LoadBitmap(l_hInst, MAKEINTRESOURCE(IDB_BTN_DWN)),
                       LoadCursor(NULL, IDC_HAND));
            return 0;
        }

        /* Perform initialization after all child windows have been created */
        case WM_INITDIALOG: {

            SegmentDisplay_init(&l_philos,
                     N_PHILO,          /* N_PHILO "segments" for the Philos */
                     3U);         /* 3 bitmaps (for thinking/hungry/eating) */
            SegmentDisplay_initSegment(&l_philos,
                 0U, GetDlgItem(hWnd, IDC_PHILO_0));
            SegmentDisplay_initSegment(&l_philos,
                 1U, GetDlgItem(hWnd, IDC_PHILO_1));
            SegmentDisplay_initSegment(&l_philos,
                 2U, GetDlgItem(hWnd, IDC_PHILO_2));
            SegmentDisplay_initSegment(&l_philos,
                 3U, GetDlgItem(hWnd, IDC_PHILO_3));
            SegmentDisplay_initSegment(&l_philos,
                 4U, GetDlgItem(hWnd, IDC_PHILO_4));
            SegmentDisplay_initBitmap(&l_philos,
                 0U, LoadBitmap(l_hInst, MAKEINTRESOURCE(IDB_THINKING)));
            SegmentDisplay_initBitmap(&l_philos,
                 1U, LoadBitmap(l_hInst, MAKEINTRESOURCE(IDB_HUNGRY)));
            SegmentDisplay_initBitmap(&l_philos,
                 2U, LoadBitmap(l_hInst, MAKEINTRESOURCE(IDB_EATING)));

            /* --> QP: spawn the application thread to run main() */
            Q_ALLEGE(CreateThread(NULL, 0, &appThread, NULL, 0, NULL)
                     != (HANDLE)0);
            return 0;
        }

        case WM_DESTROY: {
            BSP_terminate(0);
            return 0;
        }

        /* commands from regular buttons and menus... */
        case WM_COMMAND: {
            SetFocus(hWnd);
            switch (wParam) {
                case IDOK:
                case IDCANCEL: {
                    //QF_PUBLISH(Q_NEW(QEvt, TERMINATE_SIG), (void *)0);
                    BSP_terminate(0);
                    break;
                }
            }
            return 0;
        }

        /* owner-drawn buttons... */
        case WM_DRAWITEM: {
            LPDRAWITEMSTRUCT pdis = (LPDRAWITEMSTRUCT)lParam;
            switch (pdis->CtlID) {
                case IDC_PAUSE: {               /* PAUSE owner-drawn button */
                    static QEvt pe = { PAUSE_SIG, 0U, 0U };
                    switch (OwnerDrawnButton_draw(&l_pauseBtn,pdis)) {
                        case BTN_DEPRESSED: {
                            QACTIVE_POST(AO_Table, &pe, (void *)0);
                            break;
                        }
                        case BTN_RELEASED: {
                            QACTIVE_POST(AO_Table, &pe, (void *)0);
                            break;
                        }
                    }
                    break;
                }
            }
            return 0;
        }

        /* mouse input... */
        case WM_MOUSEWHEEL: {
            return 0;
        }

        /* keyboard input... */
        case WM_KEYDOWN: {
            return 0;
        }

    }
    return DefWindowProc(hWnd, iMsg, wParam, lParam) ;
}
/*..........................................................................*/
void QF_onStartup(void) {
    QF_setTickRate(BSP_TICKS_PER_SEC);         /* set the desired tick rate */
}
/*..........................................................................*/
void QF_onCleanup(void) {
}
/*..........................................................................*/
void QF_onClockTick(void) {
    QF_TICK(&l_clock_tick);         /* perform the QF clock tick processing */
}
/*..........................................................................*/
void Q_onAssert(char const Q_ROM * const Q_ROM_VAR file, int line) {
    char message[80];
    QF_stop();                                              /* stop ticking */
    _snprintf_s(message, Q_DIM(message) - 1, _TRUNCATE,
                "Assertion failed in module %hs line %d", file, line);
    MessageBox(l_hWnd, message, "!!! ASSERTION !!!",
               MB_OK | MB_ICONEXCLAMATION | MB_APPLMODAL);
    PostQuitMessage(-1);
}

/*..........................................................................*/
void BSP_init(void) {
    Q_ALLEGE(QS_INIT(l_cmdLine));
    QS_RESET();
    QS_OBJ_DICTIONARY(&l_clock_tick);   /* must be called *after* QF_init() */
    QS_USR_DICTIONARY(PHILO_STAT);
}
/*..........................................................................*/
void BSP_terminate(int16_t result) {
    QF_stop();
    PostQuitMessage(result);

    OwnerDrawnButton_xtor(&l_pauseBtn); /* cleanup the l_pauseBtn resources */
    SegmentDisplay_xtor(&l_philos);       /* cleanup the l_philos resources */
}
/*..........................................................................*/
void BSP_displayPhilStat(uint8_t n, char const *stat) {
    UINT bitmapNum = 0;

    Q_REQUIRE(n < N_PHILO);

    switch (stat[0]) {
        case 't': bitmapNum = 0U; break;
        case 'h': bitmapNum = 1U; break;
        case 'e': bitmapNum = 2U; break;
        default: Q_ERROR();  break;
    }
    /* set the "segment" # n to the bitmap # 'bitmapNum' */
    SegmentDisplay_setSegment(&l_philos, (UINT)n, bitmapNum);

    QS_BEGIN(PHILO_STAT, AO_Philo[n])  /* application-specific record begin */
        QS_U8(1, n);                                  /* Philosopher number */
        QS_STR(stat);                                 /* Philosopher status */
    QS_END()
}
/*..........................................................................*/
void BSP_displayPaused(uint8_t paused) {
    char buf[16];
    LoadString(l_hInst,
        (paused != 0U) ? IDS_PAUSED : IDS_RUNNING, buf, Q_DIM(buf));
    SetDlgItemText(l_hWnd, IDC_PAUSED, buf);
}
/*..........................................................................*/
uint32_t BSP_random(void) {  /* a very cheap pseudo-random-number generator */
    /* "Super-Duper" Linear Congruential Generator (LCG)
    * LCG(2^32, 3*7*11*13*23, 0, seed)
    */
    l_rnd = l_rnd * (3U*7U*11U*13U*23U);
    return l_rnd >> 8;
}
/*..........................................................................*/
void BSP_randomSeed(uint32_t seed) {
    l_rnd = seed;
}

/*--------------------------------------------------------------------------*/
#ifdef Q_SPY                                         /* define QS callbacks */

#include "qspy.h"

#include <time.h>

static uint8_t l_running;

/*..........................................................................*/
static DWORD WINAPI idleThread(LPVOID par) {/* signature for CreateThread() */
    (void)par;

    SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
    l_running = (uint8_t)1;
    while (l_running) {
        uint16_t nBytes = 256;
        uint8_t const *block;
        QF_CRIT_ENTRY(dummy);
        block = QS_getBlock(&nBytes);
        QF_CRIT_EXIT(dummy);
        if (block != (uint8_t *)0) {
            QSPY_parse(block, nBytes);
        }
        Sleep(10U);                                     /* wait for a while */
    }
    return 0;                                             /* return success */
}
/*..........................................................................*/
static int custParserFun(QSpyRecord * const qrec) {
    static uint32_t mpool0;
    int ret = 0;                           /* perform standard QSPY parsing */
    switch (qrec->rec) {
        case QS_QF_MPOOL_INIT: {                 /* example record to parse */
            if (mpool0 == 0U) {                                /* MPool[0]? */
                mpool0 = (uint32_t)QSpyRecord_getUint64(qrec,QS_OBJ_PTR_SIZE);
            }
            break;
        }
        case QS_QF_MPOOL_GET: {                  /* example record to parse */
            int nFree;
            uint32_t mpool;
            (void)QSpyRecord_getUint32(qrec, QS_TIME_SIZE);
            mpool = (uint32_t)QSpyRecord_getUint64(qrec, QS_OBJ_PTR_SIZE);
            nFree = (int)QSpyRecord_getUint32(qrec, QF_MPOOL_CTR_SIZE);
            (void)QSpyRecord_getUint32(qrec, QF_MPOOL_CTR_SIZE);    /* nMin */
            if (QSpyRecord_OK(qrec) && (mpool == mpool0)) {    /* MPool[0]? */
                SetDlgItemInt(l_hWnd, IDC_MPOOL0, nFree, FALSE);
                ret = 0;             /* don't perform standard QSPY parsing */
            }
            break;
        }
    }
    return ret;
}
/*..........................................................................*/
uint8_t QS_onStartup(void const *arg) {
    static uint8_t qsBuf[4*1024];                 // 4K buffer for Quantum Spy
    QS_initBuf(qsBuf, sizeof(qsBuf));

    /* here 'arg' is ignored, but this command-line parameter can be used
    * to setup the QSP_config(), to set up the QS filters, or for any
    * other purpose.
    */
    (void)arg;

    QSPY_config((QP_VERSION >> 8),  // version
                QS_OBJ_PTR_SIZE,    // objPtrSize
                QS_FUN_PTR_SIZE,    // funPtrSize
                QS_TIME_SIZE,       // tstampSize
                Q_SIGNAL_SIZE,      // sigSize,
                QF_EVENT_SIZ_SIZE,  // evtSize
                QF_EQUEUE_CTR_SIZE, // queueCtrSize
                QF_MPOOL_CTR_SIZE,  // poolCtrSize
                QF_MPOOL_SIZ_SIZE,  // poolBlkSize
                QF_TIMEEVT_CTR_SIZE,// tevtCtrSize
                (void *)0,          // matFile,
                (void *)0,          // mscFile
                &custParserFun);    // customized parser function

    QS_FILTER_ON(QS_ALL_RECORDS);

//    QS_FILTER_OFF(QS_QEP_STATE_EMPTY);
//    QS_FILTER_OFF(QS_QEP_STATE_ENTRY);
//    QS_FILTER_OFF(QS_QEP_STATE_EXIT);
//    QS_FILTER_OFF(QS_QEP_STATE_INIT);
//    QS_FILTER_OFF(QS_QEP_INIT_TRAN);
//    QS_FILTER_OFF(QS_QEP_INTERN_TRAN);
//    QS_FILTER_OFF(QS_QEP_TRAN);
//    QS_FILTER_OFF(QS_QEP_IGNORED);
//    QS_FILTER_OFF(QS_QEP_DISPATCH);
//    QS_FILTER_OFF(QS_QEP_UNHANDLED);

    QS_FILTER_OFF(QS_QF_ACTIVE_ADD);
    QS_FILTER_OFF(QS_QF_ACTIVE_REMOVE);
    QS_FILTER_OFF(QS_QF_ACTIVE_SUBSCRIBE);
    QS_FILTER_OFF(QS_QF_ACTIVE_UNSUBSCRIBE);
    QS_FILTER_OFF(QS_QF_ACTIVE_POST_FIFO);
    QS_FILTER_OFF(QS_QF_ACTIVE_POST_LIFO);
    QS_FILTER_OFF(QS_QF_ACTIVE_GET);
    QS_FILTER_OFF(QS_QF_ACTIVE_GET_LAST);
    QS_FILTER_OFF(QS_QF_EQUEUE_INIT);
    QS_FILTER_OFF(QS_QF_EQUEUE_POST_FIFO);
    QS_FILTER_OFF(QS_QF_EQUEUE_POST_LIFO);
    QS_FILTER_OFF(QS_QF_EQUEUE_GET);
    QS_FILTER_OFF(QS_QF_EQUEUE_GET_LAST);
//    QS_FILTER_OFF(QS_QF_MPOOL_INIT);
//    QS_FILTER_OFF(QS_QF_MPOOL_GET);
    QS_FILTER_OFF(QS_QF_MPOOL_PUT);
    QS_FILTER_OFF(QS_QF_PUBLISH);
    QS_FILTER_OFF(QS_QF_NEW);
    QS_FILTER_OFF(QS_QF_GC_ATTEMPT);
    QS_FILTER_OFF(QS_QF_GC);
    QS_FILTER_OFF(QS_QF_TICK);
    QS_FILTER_OFF(QS_QF_TIMEEVT_ARM);
    QS_FILTER_OFF(QS_QF_TIMEEVT_AUTO_DISARM);
    QS_FILTER_OFF(QS_QF_TIMEEVT_DISARM_ATTEMPT);
    QS_FILTER_OFF(QS_QF_TIMEEVT_DISARM);
    QS_FILTER_OFF(QS_QF_TIMEEVT_REARM);
    QS_FILTER_OFF(QS_QF_TIMEEVT_POST);
    QS_FILTER_OFF(QS_QF_CRIT_ENTRY);
    QS_FILTER_OFF(QS_QF_CRIT_EXIT);
    QS_FILTER_OFF(QS_QF_ISR_ENTRY);
    QS_FILTER_OFF(QS_QF_ISR_EXIT);

    return CreateThread(NULL, 1024, &idleThread, (void *)0, 0, NULL)
             != (HANDLE)0; /* return the status of creating the idle thread */
}
/*..........................................................................*/
void QS_onCleanup(void) {
    l_running = (uint8_t)0;
    QSPY_stop();
}
/*..........................................................................*/
void QS_onFlush(void) {
    uint16_t nBytes = 1024;
    uint8_t const *block;
    QF_CRIT_ENTRY(dummy);
    while ((block = QS_getBlock(&nBytes)) != (uint8_t *)0) {
        QF_CRIT_EXIT(dummy);
        QSPY_parse(block, nBytes);
        nBytes = 1024;
    }
}
/*..........................................................................*/
QSTimeCtr QS_onGetTime(void) {
    return (QSTimeCtr)clock();
}
/*..........................................................................*/
void QSPY_onPrintLn(void) {
    OutputDebugString(QSPY_line);
    OutputDebugString("\n");
}
#endif                                                             /* Q_SPY */
/*--------------------------------------------------------------------------*/
